85140050 has 12 divisors (see below), whose sum is σ = 158360586. Its totient is φ = 34056000.

The previous prime is 85140023. The next prime is 85140053. The reversal of 85140050 is 5004158.

It can be written as a sum of positive squares in 3 ways, for example, as 64464841 + 20675209 = 8029^2 + 4547^2 .

It is a super-2 number, since 2×85140050² = 14497656228005000, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85139998 and 85140025.

It is not an unprimeable number, because it can be changed into a prime (85140053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 851351 + ... + 851450.

Almost surely, 2^85140050 is an apocalyptic number.

85140050 is a deficient number, since it is larger than the sum of its proper divisors (73220536).

85140050 is a wasteful number, since it uses less digits than its factorization.

85140050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1702813 (or 1702808 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 85140050 is about 9227.1366089378. The cubic root of 85140050 is about 439.9243154946.

The spelling of 85140050 in words is "eighty-five million, one hundred forty thousand, fifty".